Cita APA (7th ed.)

Cole, R., & Mackay, A. D. (1990). Essentials of respiratory disease (3rd ed.). Churchill Livingstone.

Cita Chicago (17th ed.)

Cole, R.B, i A. David Mackay. Essentials of Respiratory Disease. 3rd ed. Edinburgh: Churchill Livingstone, 1990.

Cita MLA (9th ed.)

Cole, R.B, i A. David Mackay. Essentials of Respiratory Disease. 3rd ed. Churchill Livingstone, 1990.